<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像区域 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" alt="" />
      </div>
      <!-- 登录表单区域 -->
      <el-form ref="loginFormRef" :rules="loginFormRules" :model="loginForm" label-width="0px" class="loginForm">
        <el-form-item prop="username">
          <el-input v-model='loginForm.username' prefix-icon="iconfont icon-user"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForms">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      loginFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    resetLoginForms () {
      console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    login() {
      // console.log(111111)
      this.$refs.loginFormRef.validate(async valid => {
        if (!valid) return
        const {data:res} = await this.$http.post('login', this.loginForm)
        console.log(res)
        console.log(this.loginForm.username, this.loginForm.password)
        if (res.meta.status !== 200) return  this.$message.error('登录失败!')
        this.$message.success('登录成功')
        // 保存token到sessionStorage 然后跳转到 /home
        window.sessionStorage.setItem('token',res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style lang="less" scoped>
  .login_container {
    background-color: #2b4b6b;
    height: 100%;
  }

  .login_box {
    width: 450px;
    height: 300px;
    background-color: white;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
  }
  .avatar_box{
    width: 130px;
    height: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%,-50%);
    background-color: white;
    img{
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
  .loginForm{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;

  }
  .btns{
    display: flex;
    justify-content: flex-end;
  }
</style>
